Another man is in hospital reportedly being treated for a chest wound. One pedestrian was treated for minor injuries.

Witnesses said the horizontal arm of the crane snapped off, propelling the cab and the upper portion of the arm onto a residential building across the street.

Justine Elliot, who lives nearby, told the BBC News website that the crane had been visible from her window:

"I was checking my phone and email at 0805 this morning and heard what sounded like demolition... I saw the crane come down, missing some cars on the road. It looked like chaos as fire engines and choppers came to the scene and people gathered round to look."

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